Program Listing for File qubit_info.hpp

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#pragma once

#include "type.hpp"

#define FLAG_X_COMMUTE ((UINT)(0x01))
#define FLAG_Y_COMMUTE ((UINT)(0x02))
#define FLAG_Z_COMMUTE ((UINT)(0x04))

const UINT invalid_qubit = 9999;
class DllExport QubitInfo {
protected:
    UINT _index;
public:
    virtual ~QubitInfo() {}

    UINT index() const { return _index; }

    // jupiroが勝手に作成
    void set_index(int idx) { _index = idx; }

    explicit QubitInfo(UINT index_) : _index(index_){};
};

class TargetQubitInfo;
class ControlQubitInfo;

class DllExport ControlQubitInfo : public QubitInfo {
private:
    // \~japanese-en
    // コントロール値 量子ビットの添字がコントロール値のときのみゲートが作用する
    UINT _control_value;

public:
    UINT control_value() const { return _control_value; }
    ControlQubitInfo(void) : QubitInfo(invalid_qubit), _control_value(1){};
    explicit ControlQubitInfo(UINT index_)
        : QubitInfo(index_), _control_value(1){};
    ControlQubitInfo(UINT index_, UINT control_value_)
        : QubitInfo(index_), _control_value(control_value_){};

    virtual bool is_commute_with(const TargetQubitInfo& info) const;
    virtual bool is_commute_with(const ControlQubitInfo& info) const;
};

class DllExport TargetQubitInfo : public QubitInfo {
private:
    // \~japanese-en この量子ビットがパウリ演算子と可換かどうかを保持する値
    UINT _commutation_property;

public:
    TargetQubitInfo(void)
        : QubitInfo(invalid_qubit), _commutation_property(0){};

    explicit TargetQubitInfo(UINT index_)
        : QubitInfo(index_), _commutation_property(0){};
    TargetQubitInfo(UINT index_, UINT commutation_property_)
        : QubitInfo(index_), _commutation_property(commutation_property_){};
    bool is_commute_X() const {
        return (_commutation_property & FLAG_X_COMMUTE) != 0;
    }
    bool is_commute_Y() const {
        return (_commutation_property & FLAG_Y_COMMUTE) != 0;
    }
    bool is_commute_Z() const {
        return (_commutation_property & FLAG_Z_COMMUTE) != 0;
    }
    virtual bool is_commute_with(const TargetQubitInfo& info) const;
    virtual bool is_commute_with(const ControlQubitInfo& info) const;

    virtual UINT get_merged_property(UINT property) const {
        return _commutation_property & property;
    }
    virtual UINT get_merged_property(const TargetQubitInfo& target) const {
        return _commutation_property & target._commutation_property;
    }
    virtual UINT get_merged_property(const ControlQubitInfo& control) const {
        (void)control;
        return _commutation_property & FLAG_Z_COMMUTE;
    }
};